rational numbers
Rational numbers are named for their ability to be expressed as ratios of integers, a foundational concept in number theory.
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Definition
B2Mathematics
(technical, academic)Numbers that can be written as the fraction of two integers, where the denominator is not zero.
Example
- The fraction 3/4 is a rational number.
- Any integer, like 5, is also a rational number because it can be written as 5/1.
B2Mathematics
(technical, academic)Numbers that can be represented as either terminating or repeating decimals.
Example
- The decimal 0.75 is a rational number because it terminates.
- The decimal 0.333... is a rational number because it repeats.
Similar
Terms that have similar or relatively close meanings to "rational numbers":